A SEC filing today indicated a substantial insider sale of Northern Trust shares as — William L Morrison, Officer — sold 20,000 shares in the company having a market value of approximately $2,101,600. There have been 4 insiders with buy/sell transactions in the past 90 days prior to this filing. All of these trades have been sales resulting in the sale of 55,231 company shares. Adding the most recent activity to this 90-day history indicates insider trades have seen net sales of 75,231 shares and have averaged 15,046 shares per transaction over this time period.

The number of insider buy/sell trades at Northern Trust is above that of the 31 peer company average over the last 90-day period. The Investment Management & Fund Operators peer group saw 25 buy/sell trades during this period for an average of 0.8 transactions per company. However, the number of shares traded per transaction by Northern Trust insiders is lower than its peers. Within the peer group there were 47,206 shares purchased and 1,358,761 shares sold with company insiders disposing of 52,462 shares on average over this time period.

Significant insider buying and selling activity has been determined by eliminating all trading activity reported to the SEC that involves awards, options, exercise of derivative securities, company buy-backs, taxes, gifts, shares acquired via inheritance and tenders or exchange offers in data used in composing and writing this story.